• Senior Systems Engineer - Control Account…

    RTX Corporation (Aurora, CO)
    …complex satellite ground systems, particularly command and control functionality + Systems, Test , and/or Software Engineering experience on a large government ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (12/11/25)
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  • Sr. System Safety Engineer

    RTX Corporation (Aurora, CO)
    …methods, standards, and techniques to provide clarification of system requirements to software , hardware, and test personnel to ensure design and architecture ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current At **Raytheon** , the foundation of...exciting opportunity for a highly motivated **Senior System Safety Engineer ** to join us **onsite** in a closed area… more
    RTX Corporation (10/31/25)
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  • Associate Technical Fellow

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …effectively integrate into program execution. + The ability to obtain and maintain a Top Secret Security Clearance is required. Learn more about the background ... Software will report directly to the Sr. Chief Engineer in this role and will work closely with...+ Experience or certification in INCOSE standards. + Active Secret or Top Secret /SCI Security… more
    Sierra Nevada Company, LLC (12/17/25)
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  • Software Developer II

    General Atomics (Aurora, CO)
    …do more, and that's where you come in! GA-Intelligence is looking for a Software Engineer to join our federal team to develop scalable, high-performant ... Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (current SCI access with CI Poly) **Pay Range… more
    General Atomics (12/11/25)
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  • Manager - Software Engineering Lead

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Inserting Digital Transformation initiatives into software development execution \(DevSecOps, Software Factory, Agile, Automated Test , AI\)\. \* The work… more
    Lockheed Martin (10/29/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …history. Northrop Grumman Space Systems is seeking an **Principal** **Electr** **omechanical Engineer ** to join our team. This position would be based in Aurora, ... systems. The candidate will support and participate in the design, test , modification, assembly and integration of prototype electromechanical systems supporting RF… more
    Northrop Grumman (12/19/25)
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  • Senior Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …degree, minimum of 10 years of prior related experience. + Must have active Secret security clearance, TS /SCI preferred. + DoD 8140.03 IAT Level 3 certification ... of national security. Job Title: Senior Specialist, Information Security Systems Engineer Job Code: 31061 Job Location: Boulder/North Denver, CO Job Schedule:… more
    L3Harris (11/12/25)
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  • Network Engineer

    Jacobs (Denver, CO)
    Knack Works, a Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our government customer's global ... a modern service provider network architecture. The job duties of the Network Engineer (CAN/LAN) are as follows: * Interpret customer requirements and apply standard… more
    Jacobs (12/12/25)
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  • DevSecOps Engineer

    DCCA (Westminster, CO)
    …and a competitive compensation and benefits package. Visit our website at: www.dcca.com DevSecOps Engineer Candidate must have an active TS /SCI w/ Poly to be ... DevSecOps Engineer Location Westminster, CO Job Code 2120 #...in C++ and Python + Work with the following software development lifecycle concepts: Agile, DevSecOps, Continuous Integration (CI),… more
    DCCA (11/21/25)
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  • Senior Data Center Engineer

    SciTec (Aurora, CO)
    …be considered. SciTec has an immediate opportunity for a talented Senior Datacenter Engineer to join our team in Boulder, CO. Successful applicants will bring deep ... data center and Infrastructure strategy. + Configure, monitor, and periodically test backup/recovery of systems. + Proactively monitor data center status/health and… more
    SciTec (12/11/25)
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